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// University of Rochester
// Department of Computer Science
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#ifndef __GLADIATOR_H__
#define __GLADIATOR_H__

#include "ContentionManager.hpp"

namespace stm
{
  /**
   * gladiator is very simple; it always aborts the enemy unless the enemy
   * has aborted more people than it has
   */
  class Gladiator: public ContentionManager
  {
    public:
      // ctor only needs what is provided by ContentionManager
      Gladiator() { }

      virtual ConflictResolutions onRAW(ContentionManager* enemy)
      {
          if (enemy->getPriority() > priority)
              return Wait;
          priority++;
          return AbortOther;
      }
      virtual ConflictResolutions onWAR(ContentionManager* enemy)
      {
          if (enemy->getPriority() > priority)
              return Wait;
          priority++;
          return AbortOther;
      }
      virtual ConflictResolutions onWAW(ContentionManager* enemy)
      {
          if (enemy->getPriority() > priority)
              return Wait;
          priority++;
          return AbortOther;
      }
  };
}; // namespace stm

#endif // __GLADIATOR_H__
